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Abstract
A miniaturized monopole multi-band antenna using two split ring resonators is proposed for WiMAX, WLAN and GSM applications. The antenna multi-band characteristic is realized by the splits rings, which further justified with the current distribution. The electrical behavior of antenna in term of lump components is implicit with the equivalent circuit. The antenna return loss and 2D radiation patterns are verified with experimental. The radiation patterns are exhibited omnidirectional and bidirectional at the H and E-plane respectively. The multi-band antenna is superior (in term of size, gain as well as modelling of equivalent circuit) with respect to published works in literature.